private static void setLanguageOfShape(PowerPoint.Shape shape, Office.MsoLanguageID language)
{
// If this has a text frame, set the language of that
if (shape.HasTextFrame == Office.MsoTriState.msoTrue)
{
shape.TextFrame.TextRange.LanguageID = language;
}
// if it is a table, set language of each cell
else if (shape.HasTable == Office.MsoTriState.msoTrue)
{
foreach (PowerPoint.Row row in shape.Table.Rows)
{
foreach (PowerPoint.Cell cell in row.Cells)
{
cell.Shape.TextFrame.TextRange.LanguageID = language;
}
}
}
// if it is a group, start traversing the grouped items tree
else if (shape.Type == Office.MsoShapeType.msoGroup)
{
foreach (PowerPoint.Shape groupedShape in shape.GroupItems)
{
setLanguageOfShape(groupedShape, language);
}
}
}
public static void SetLanguage(PowerPoint.Slides slides, Office.MsoLanguageID language)
{
foreach (PowerPoint.Slide slide in slides)
{
foreach (PowerPoint.Shape shape in slide.Shapes)
{
// go to helper method to set the language of the shape
setLanguageOfShape(shape, language);
}
}
// Also set the default language of the presentation
Globals.ThisAddIn.Application.ActivePresentation.DefaultLanguageID = language;
}