public static bool IsValidSelection(PowerPoint.Selection selection)
{
if (selection.HasChildShapeRange)
{
return(IsValidShapeRange(selection.ChildShapeRange));
}
if (selection.Type == PowerPoint.PpSelectionType.ppSelectionShapes ||
selection.Type == PowerPoint.PpSelectionType.ppSelectionText)
{
return(IsValidShapeRange(selection.ShapeRange));
}
EffectsLabUtil.ShowNoSelectionErrorMessage();
return(false);
}
public static bool IsValidShapeRange(PowerPoint.ShapeRange shapeRange)
{
if (shapeRange.Count > 0)
{
for (int i = 1; i <= shapeRange.Count; i++)
{
if (shapeRange[i].Type != Office.MsoShapeType.msoPlaceholder &&
shapeRange[i].Type != Office.MsoShapeType.msoTextBox &&
shapeRange[i].Type != Office.MsoShapeType.msoAutoShape &&
shapeRange[i].Type != Office.MsoShapeType.msoFreeform &&
shapeRange[i].Type != Office.MsoShapeType.msoGroup)
{
EffectsLabUtil.ShowIncorrectSelectionErrorMessage();
return(false);
}
}
}
else
{
EffectsLabUtil.ShowNoSelectionErrorMessage();
return(false);
}
return(true);
}
