im working on a visual studio 2022 c# extension, im trying to set an image to my backupButton but the image is getting a white background i dont know why, the original image doesnt have it, i also tried using a png instead of bmp


<?xml version="1.0" encoding="utf-8"?>
<CommandTable xmlns="http://schemas.microsoft.com/VisualStudio/2005-10-18/CommandTable">
	<Extern href="stdidcmd.h"/>
	<Extern href="vsshlids.h"/>
	<Include href="KnownImageIds.vsct" />
	<Include href="VSGlobals.vsct" />

	<Commands package="guidExtension">
		<Bitmaps>
			<Bitmap guid="guidExtensionCmdSet" href="..\Resources\r.bmp" usedList="bmpBackup"/>
		</Bitmaps>
		
		<Buttons>
			<!-- The button will be visible to add at
			     Add or Remove Buttons > Commands > Add Command > Tools -->
			<Button guid="guidExtensionCmdSet" id="backupButton" priority="0x0101" type="Button">
				<Parent guid="guidSHLMainMenu" id="IDG_VS_TOOLS_EXT_TOOLS" />
				<Icon guid="guidExtensionCmdSet" id="bmpBackup" />
				<Strings>
					<ButtonText></ButtonText>
					<ToolTipText>Backup current working directory</ToolTipText>
				</Strings>
			</Button>

			<!--This section defines the elements the user can interact with,
				like a menu command or a button or combo box in a toolbar. -->

			<!-- The following items will be displayed in the ToolBar of the Tool Window. -->
			<Button guid="VSHistory" id="VSHistoryAllFiles" priority="0x0001">
				<Parent guid="VSHistory" id="VSHistoryToolbarGroup" />
				<Icon guid="ImageCatalogGuid" id="ShowAllFiles" />
				<CommandFlag>IconIsMoniker</CommandFlag>
				<CommandFlag>IconAndText</CommandFlag>
				<Strings>
					<ButtonText>All Files</ButtonText>
					<ToolTipText>View all available VSHistory files</ToolTipText>
				</Strings>
			</Button>

			<Button guid="VSHistory" id="VSHistory" priority="0x0003">
				<Parent guid="VSHistory" id="VSHistoryToolbarGroup" />
				<Icon guid="ImageCatalogGuid" id="Settings" />
				<CommandFlag>IconIsMoniker</CommandFlag>
				<CommandFlag>IconAndText</CommandFlag>
				<Strings>
					<ButtonText>Settings</ButtonText>
					<ToolTipText>View or change VSHistory Settings</ToolTipText>
				</Strings>
			</Button>

			<Button guid="VSHistory" id="VSHistoryOpen" priority="0x0004">
				<Parent guid="VSHistory" id="VSHistoryToolbarGroup" />
				<Icon guid="ImageCatalogGuid" id="OpenFolder" />
				<CommandFlag>IconIsMoniker</CommandFlag>
				<CommandFlag>IconAndText</CommandFlag>
				<Strings>
					<ButtonText>Open</ButtonText>
					<ToolTipText>Open the folder containing these VSHistory files</ToolTipText>
				</Strings>
			</Button>

			<!-- The following items will be displayed in the Extensions sub-menu. -->

			<Button guid="VSHistoryExtensions" id="VSHistoryExtensionsSettingsID" priority="0x0101" type="Button">
				<Parent guid="VSHistoryExtensions" id="ButtonsGroup" />
				<Icon guid="ImageCatalogGuid" id="Settings" />
				<CommandFlag>IconIsMoniker</CommandFlag>
				<CommandFlag>IconAndText</CommandFlag>
				<Strings>
					<ButtonText>VSHistory &amp;Settings</ButtonText>
					<ToolTipText>View or change VSHistory settings</ToolTipText>
				</Strings>
			</Button>

			<Button guid="VSHistoryExtensions" id="VSHistoryExtensionsToolWindowID" priority="0x0102" type="Button">
				<Parent guid="VSHistoryExtensions" id="ButtonsGroup" />
				<Icon guid="ImageCatalogGuid" id="ShowFullHistory" />
				<CommandFlag>IconIsMoniker</CommandFlag>
				<CommandFlag>IconAndText</CommandFlag>
				<Strings>
					<ButtonText>VSHistory &amp;Tool Window</ButtonText>
					<ToolTipText>View the VSHistory Files</ToolTipText>
				</Strings>
			</Button>

		</Buttons>

		<Menus>
			<Menu guid="VSHistory" id="VSHistoryToolbar" type="ToolWindowToolbar">
				<CommandFlag>DefaultDocked</CommandFlag>
				<Strings>
					<ButtonText>VSHistory Window Toolbar</ButtonText>
				</Strings>
			</Menu>

			<!-- The top-level Extensions menu. -->
			<Menu guid="VSHistoryExtensions" id="SubMenuID" priority="0x100" type="Menu">
				<Parent guid="VSHistoryExtensions" id="SubMenuGroupID" />
				<Strings>
					<ButtonText>VSHistory</ButtonText>
					<CommandName>&amp;VSHistory</CommandName>
					<ToolTipText>Manage VSHistory settings and tool window.</ToolTipText>
				</Strings>
			</Menu>
		</Menus>

		<Groups>
			<Group guid="VSHistory" id="VSHistoryToolbarGroup" priority="0x0000">
				<Parent guid="VSHistory" id="VSHistoryToolbar" />
			</Group>

			<Group guid="VSHistoryExtensions" id="ButtonsGroup" priority="0x0100">
				<Parent guid="VSHistoryExtensions" id="SubMenuID" />
			</Group>

			<Group guid="VSHistoryExtensions" id="SubMenuGroupID" priority="0x0100">
				<Parent guid="VSMainMenu" id="Extensions" />
			</Group>
		</Groups>

	</Commands>

	<Symbols>
		<!-- Define a unique GUID for your command set -->
		<GuidSymbol name="guidExtension" value="{a0e77fa6-0047-415a-98e0-e05004b4d7ca}" />
		<GuidSymbol name="guidExtensionCmdSet" value="{187e1fc0-272a-4383-870d-e7d6b767d22c}">
			<IDSymbol name="bmpBackup"    value="1" />
			<IDSymbol name="backupButton" value="0x10"/>
		</GuidSymbol>

		<!-- The main VSHistory Tool Window. -->
		<GuidSymbol name="VSHistoryWindowPane" value="{902bcf59-0f85-4b8b-9ebd-3ec897906bd2}" />
		<GuidSymbol name="VSHistory" value="{02d1238c-021c-479c-938e-ae4d1f89c464}">

			<IDSymbol name="VSHistoryCommand" value="0x0100" />
			<IDSymbol name="VSHistoryAllFiles" value="0x0201" />
			<IDSymbol name="VSHistory" value="0x0203" />
			<IDSymbol name="VSHistoryOpen" value="0x0204" />

			<IDSymbol name="VSHistoryToolbarGroup" value="0x1101" />
			<IDSymbol name="VSHistoryToolbar" value="0x3000" />

		</GuidSymbol>

		<!-- The Extensions Menu. -->
		<GuidSymbol name="VSHistoryExtensions" value="{915945ae-3c8a-48d7-a9c3-258ad6bdb845}">

			<IDSymbol name="VSHistoryExtensionsSettingsID" value="0x5102" />
			<IDSymbol name="VSHistoryExtensionsToolWindowID" value="0x5103" />
			<IDSymbol name="ButtonsGroup" value="0x5120" />
			<IDSymbol name="SubMenuID" value="0x5200"/>
			<IDSymbol name="SubMenuGroupID" value="0x5250"/>

		</GuidSymbol>

		<!-- The Options windows. -->
		<GuidSymbol name="AllFiles" value="{1fddebc3-5ae1-4611-9cd0-f12877d82ac1}" />
		<GuidSymbol name="Exclusions" value="{af70533b-e1fa-452f-a906-de9f1ea32506}" />
		<GuidSymbol name="FileLocation" value="{3aab6f78-019a-4e16-bbdf-fdc36d1f2d1f}" />
	</Symbols>
</CommandTable>