WTNCA Values
Specifies flags that modify window visual style attributes. Use one, or a bitwise combination of the following values.
Constant/value | Description |
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Prevents the window caption from being drawn. |
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Prevents the system icon from being drawn. |
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Prevents the system icon menu from appearing. |
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Prevents mirroring of the question mark, even in right-to-left (RTL) layout. |
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A mask that contains all the valid bits. |
Requirement | Value |
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Minimum supported client |
Windows Vista [desktop apps only] |
Minimum supported server |
Windows Server 2008 [desktop apps only] |
Header |
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Reference