/// <summary>
/// Uninstalls the MSI Product from this computer. Use the «Uninstall» method of the Win32_Product Wmi class.
/// </summary>
/// <param name="productCode">The MSI Product code of the MSI Product.</param>
/// <returns>The MSI result code of the operation</returns>
/// <exception cref="UnauthorizedAccessException">Thrown when credentials are not valid.</exception>
/// <exception cref="Exception">Thrown in every other case.</exception>
internal uint UninstallProduct(string productCode)
{
uint result = int.MaxValue;
ManagementObjectCollection softwares = GetWmiQueryResult("Select * from Win32_Product where identifyingNumber like '{" + productCode + "}'");
foreach (ManagementObject software in softwares)
{
result = (uint)software.InvokeMethod("Uninstall", null);
if (MsiProduct.IsSuccess(result))
{
RemoveProduct(productCode);
}
}
return(result);
}
private void DisplayResult(uint resultCode)
{
if (MsiProduct.IsSuccess(resultCode))
{
if (MsiProduct.IsRebootNeeded(resultCode))
{
txtBxResult.Text = _localization.GetLocalizedString("SuccessPendingReboot");
}
else
{
txtBxResult.Text = _localization.GetLocalizedString("Success");
}
txtBxResult.BackColor = Color.LightGreen;
}
else
{
txtBxResult.Text = _localization.GetLocalizedString("Failed") + "(" + resultCode.ToString() + ") : " + MsiProduct.GetErrorMessage(resultCode);
txtBxResult.BackColor = Color.Orange;
}
txtBxResult.Refresh();
}
private void ReportUninstallResult(uint resultCode, DataGridViewRow row, MsiProduct uninstalledProduct)
{
row.Cells["ResultCode"].Value = resultCode;
if (MsiProduct.IsSuccess(resultCode))
{
txtBxMessage.BackColor = Color.LightGreen;
if (MsiProduct.IsRebootNeeded(resultCode))
{
row.Cells["Result"].Value = _localization.GetLocalizedString("SuccessPendingReboot");
row.Cells["Result"].Style = _successRebootStyle;
txtBxMessage.Text = _localization.GetLocalizedString("SuccessPendingReboot");
if (!UninstalledProducts.Contains(uninstalledProduct))
{
UninstalledProducts.Add(uninstalledProduct);
}
}
else
{
row.Cells["Result"].Value = _localization.GetLocalizedString("Success");
row.Cells["Result"].Style = _successStyle;
txtBxMessage.Text = _localization.GetLocalizedString("Success");
if (!UninstalledProducts.Contains(uninstalledProduct))
{
UninstalledProducts.Add(uninstalledProduct);
}
}
}
else
{
txtBxMessage.BackColor = Color.Orange;
row.Cells["Result"].Value = _localization.GetLocalizedString("Failed") + "(" + resultCode + ")";
row.Cells["Result"].Style = _failedStyle;
txtBxMessage.Text = MsiProduct.GetErrorMessage(resultCode);
}
}
private void UninstallProducts()
{
foreach (DataGridViewRow row in dgvProducts.Rows)
{
try
{
uint resultCode = 0;
if (!uint.TryParse(row.Cells["ResultCode"].Value.ToString(), out resultCode) || !MsiProduct.IsSuccess(resultCode))
{
MsiProduct currentProduct = (MsiProduct)row.Cells["Product"].Value;
row.Cells["Result"].Value = _localization.GetLocalizedString("InProgress");
uint result = TargetComputer.UninstallProduct(currentProduct.IdentifyingNumber);
ReportUninstallResult(result, row, currentProduct);
}
}
catch (Exception ex)
{
txtBxMessage.Text = _localization.GetLocalizedString("Failed") + " : " + ex.Message;
txtBxMessage.BackColor = Color.Orange;
}
}
}