Contains information specific to an NM_CUSTOMDRAW (tree view) notification message sent by a tree-view control
Global Const $tagNMTVCUSTOMDRAW = $tagNMHDR & ";uint DrawStage;hwnd HDC;int Left;int Top;int Right;int Bottom;" & _
"ptr ItemSpec;uint ItemState;int ItemParam;int ClrText;int ClrTextBk;int Level"
参数
| $tagNMHDR | Contains information about a notification message |
| DrawStage | Current drawing stage. This value is one of the following: Global Values: $CDDS_POSTERASE - After the erasing cycle is complete $CDDS_POSTPAINT - After the painting cycle is complete $CDDS_PREERASE - Before the erasing cycle begins $CDDS_PREPAINT - Before the painting cycle begins Item-specific Values: $CDDS_ITEM - Indicates that the ItemSpec, ItemState, and ItemParam members are valid $CDDS_ITEMPOSTERASE - After an item has been erased $CDDS_ITEMPOSTPAINT - After an item has been drawn $CDDS_ITEMPREERASE - Before an item is erased $CDDS_ITEMPREPAINT - Before an item is drawn $CDDS_SUBITEM - Flag combined with $CDDS_ITEMPREPAINT or $CDDS_ITEMPOSTPAINT if a subitem is being drawn |
| HDC | Handle to the control's device context |
| Left | X coordinate of upper left corner of bounding rectangle being drawn |
| Top | Y coordinate of upper left corner of bounding rectangle being drawn |
| Right | X coordinate of lower right corner of bounding rectangle being drawn |
| Bottom | Y coordinate of lower right corner of bounding rectangle being drawn |
| ItemSpec | Item number |
| ItemState | Current item state. This value is a combination of the following: $CDIS_CHECKED - The item is checked $CDIS_DEFAULT - The item is in its default state $CDIS_DISABLED - The item is disabled $CDIS_FOCUS - The item is in focus $CDIS_GRAYED - The item is grayed $CDIS_HOT - The item is currently under the pointer $CDIS_INDETERMINATE - The item is in an indeterminate state $CDIS_MARKED - The item is marked $CDIS_SELECTED - The item is selected $CDIS_SHOWKEYBOARDCUES - The item is a keyboard cue |
| ItemParam | Application defined item data |
| ClrText | The color that will be used to display text foreground in the control |
| ClrTextBk | The color that will be used to display text background in the control |
| Level | Zero based level of the item being drawn |
注意/说明
$CDxx_ constants require WindowsConstants.au3
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