ImageGear Professional DLL v17.1 for Windows Accusoft
IG_ARTX_action_mouse_down
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ImageGear Professional DLL v17.1 for Windows > API Reference Guide > ArtX Component API Reference > ArtX Component Objects Reference > HIG_ARTX_ACTION > IG_ARTX_action_mouse_down

Glossary Item Box

This function is to pass mouse events to GUI action.

Declaration:

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AT_ERRCOUNT IG_ARTX_action_mouse_down(
        HIG_ARTX_ACTION hAction,
        UINT nMessage,
        LPAT_POINT lpPoint,
        LPUINT lpnStatus
);

Arguments:

hAction Handle of GUI action. See HIG_ARTX_ACTION.
nMessage Mouse event parameters.
lpPoint Screen position of mouse event.
lpnStatus Pointer to storage for action state.

Return Value:

Error count.

Supported Raster Image Formats:

This function does not process image pixels.

Remarks:

This function should be called when user presses the mouse button.

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