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Small COM enhancements, which needs testing. (Word, Excel etc) [skip ci]

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This commit is contained in:
RKrom 2015-01-19 22:31:12 +01:00
parent 727d787014
commit ad70dcfb37
5 changed files with 100 additions and 11 deletions
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29
GreenshotPlugin/Interop/COMWrapper.cs
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@ -18,6 +18,7 @@
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.Reflection;
using System.Runtime.InteropServices;
@ -49,17 +50,17 @@ namespace Greenshot.Interop {
/// <summary>
/// Type of the COM object, set on constructor after getting the COM reference
/// </summary>
private Type _COMType;
private readonly Type _COMType;
/// <summary>
/// The type of which method calls are intercepted and executed on the COM object.
/// </summary>
private Type _InterceptType;
private readonly Type _InterceptType;
/// <summary>
/// The humanly readable target name
/// </summary>
private string _TargetName;
private readonly string _TargetName;
#endregion
[DllImport("ole32.dll")]
@ -73,7 +74,7 @@ namespace Greenshot.Interop {
/// <summary>
/// Gets a COM object and returns the transparent proxy which intercepts all calls to the object
/// </summary>
/// <param name="type">Interface which defines the method and properties to intercept</param>
/// <param name="T">Interface which defines the method and properties to intercept</param>
/// <returns>Transparent proxy to the real proxy for the object</returns>
/// <remarks>The <paramref name="type"/> must be an interface decorated with the <see cref="ComProgIdAttribute"/>attribute.</remarks>
public static T GetInstance<T>() {
@ -183,6 +184,7 @@ namespace Greenshot.Interop {
}
} catch (Exception e) {
LOG.WarnFormat("Error {1} creating object for {0}", progId, e.Message);
throw;
}
}
if (comObject != null) {
@ -290,6 +292,25 @@ namespace Greenshot.Interop {
return default(T);
}
/// <summary>
/// Wrap a com object as COMWrapper
/// </summary>
/// <param name="comObject">An object to intercept</param>
/// <param name="T">Interface which defines the method and properties to intercept</param>
/// <returns>Transparent proxy to the real proxy for the object</returns>
public static T Wrap<T>(object comObject) {
Type type = typeof (T);
if (null == comObject) {
throw new ArgumentNullException("comObject");
}
if (null == type) {
throw new ArgumentNullException("type");
}
COMWrapper wrapper = new COMWrapper(comObject, type, type.FullName);
return (T)wrapper.GetTransparentProxy();
}
/// <summary>
/// Wrap an object and return the transparent proxy which intercepts all calls to the object
/// </summary>