2.2.7.55 MILCMD_TARGET_INVALIDATE
The MILCMD_TARGET_INVALIDATE packet invalidates a rectangle of a rendering target. The composition engine will re-compose the affected area to validate the contents.
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messageSize |
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targetResource |
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rc (16 bytes) |
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messageSize (4 bytes): A 32-bit unsigned integer. The total size of this message and its payload in bytes. The value of this field MUST be set to a number divisible by four and greater than or equal to 0x0000001C.
controlCode (4 bytes): A 32-bit unsigned integer containing the control code for this message. The value of this field MUST be equal to 0x00000047.
targetResource (4 bytes): A 32-bit unsigned integer. The value of this field MUST be set to a valid resource handle referencing a resource of type TYPE_HWNDRENDERTARGET, TYPE_DESKTOPRENDERTARGET or TYPE_METABITMAPRENDERTARGET. This handle identifies the resource that is the target for this message.
rc (16 bytes): A MilRectI structure. The area of the render target to invalidate.